ESW- 5 :- Safety Precautions while Servicing of Elelvators

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Safety Precautions while  Servicing of Elelvators 

Servicing on elevators should be done by authorized and trained persons only. Where more than one person is working, the responsibilities and tasks for each should be clarified by the supervisor before the work is started.

TOOLS

• Ensure availability of necessary tools and equipment to complete work tasks safely.
• Use only approved insulated tools, which are in a serviceable condition.
• Electrical test instruments must be regularly tested as per manufacturer’s instructions.
• Tools, equipment and devices must be used in accordance with the instructions and / or guidance provided by the manufacturer.

SAFETY EQUIPMENT

• Company provided safety shoes must be work while on the job.
• Safety Helmets must be used in lift shaft when there is a chance of material falling from height. e.g roping changing work.
• Full body harness must be used when there is a fall hazard of 1.8 m drop and 300 mm gap from the level of work.
• Gloves must be used for sharp edge hazards.
• Use Safety Goggles / Face shield when drilling, chipping and grinding operations need to be done.
• Contact your Engineer for above personal protective equipment, whenneeded.
• Look for special risks at site before start of work and take adequate risk control methods. Incase of doubt, contact the Engineer / Safety Officer.

SAFETY PRECAUTIONS

• Familiarize yourself with the site and the building representatives
• Get familiar with the working practices and the safety procedures of the work site.
• To ensure your safety, liaison with the site agent/builder/building owner or his representative is recommended especially where single man working is involved. Tell the building/site representative where you are working and when. If possible, ensure that a responsible person periodically monitors your welfare.
• Avoid working in a building that is otherwise unoccupied.

ELEVATOR SERVICE SAFETY TIPS

• Technicians arriving at a location to perform service or repairs should alert the owner or superintendent and place “out of service” signs on elevators and at elevator entrances before any work begins.
• Secure the elevator from the riding public when performing any adjustment or work. Ensure no one is in the car, close the doors and prevent the doors from operating while working on the elevator.
• Before servicing elevator equipment, “tuck” loose-fitting clothing and confine long hair. Remove all jewelry.
• Avoid smoking and open flames in the work area.
• When cleaning, oiling, or greasing any parts that move, the elevator should be made inoperative – Switch OFF the Mains.
• Hold wiping cloths in your palm. Never wrap them around on your hand.
• Wire ropes should be inspected or lubricated only after the car has stopped. Stay clear of pinch points.
• While in the pit and car top look for any tripping hazards.
• Before equipment is placed back in service, be sure all jumpers have been removed and account for any jumpers used. All safety circuits should be tested to ensure they are operating.
• If guards or covers have been removed during maintenance work, replace them before leaving the work area.
• Before leaving the building, if the car is returned to service, remove all “out of service” signs. Checkout with building management.

MACHINE ROOM

• Entry of unauthorized person to machine room should be restricted.
• Avoid standing or walking on trap door.
• Use controller door key and not any other tool to open the door of controller.
• Switch Off the mains before hand winding.
• Make sure that all the landing doors are closed before hand winding.
• Never run the elevator with power by bypassing any elevator safeties.
• Be careful while switching MCBs in controller; chances are there to touch the metallic part of MCB.
• Don’t keep your hand over main sheave or on any moving parts.
• Ensure the controller door and M/C room doors are closed after completion of all work.
• Exercise special care when servicing governors located in awkward or tight work area.

CAR TOP

• To enter car top, keep the lift in topmost floor. Give car call to the bottom floor and open the landing door using emergency key when car is in level with landing.
• Switch off the cabin fan before entering car top.
• Use only Company provided emergency key to open the landing door; don’t use any other tools.
• Do not enter into car top if it is above / below 1 foot from landing level. Before entering car top ensure that the lift car top is at the same level.
• Before stepping on to the car top, check for availability of adequate shaft lighting and note the location of any equipment that will move with the operation of car. Also note the location of safety switches when operated will stop the car.
• Do not light matches or open flames for light in hoist.
• For lighting, use only safety hand lamp. I.e hand lamp with bulb guard and approved electrical cords.
• Do not wear loose clothing. The shirt must be tucked in.
• Don’t smoke inside shaft.
• Never leave the landing doors open and unattended if the car is not at thefloor level.
• Ensure that the CAR TOP STOP & INSPECTION SWITCHES are made “ON” from landing before entering on car top.
• Ensure sufficient lighting before start of work inside shaft.
• Stand erect and feel comfortable. Grip firmly on the stationary part of car structure.
• Do not hold or lean for your balance on any of the parts listed below. Guides, Brackets, Wall, Counterweight, Ropes and Diverter wheel in 2:1 roping.
• Run the elevator in INSPECTION DRIVE MODE ONLY during car top travel.
• Keep all parts of your body inside the limits of the car area when the car is moving to avoid contact with counter weight or projections which may be located in or adjacent to the hoist way of the elevator being serviced.
• While at work, put the Car top stop switch to OFF position. (Circuit opened)
• While operating UP/DN switch, always alert your colleague.
• It is important to observe the overhead obstruction, if the overhead car clearance is limited.
• Do not clean, oil or grease when the elevator is moving.
• Always be in a position to reach the car stop safety switch at any instant.
• Ensure the landing doors are fully obstructed to close by itself, while attending lift in landing area.
• If are you are trapped and not in a position to release the landing door lock, stay calm on car top and call for help. NEVER CLIMB ON ELEVATOR PARTS TO REACH THE LANDING DOOR LOCK. This can lead to dangerous consequence like fatal.

LIFT PIT

• Before entering the pit, protect yourself by opening the pit stop switch. Verify, the car will not move.
• Never jump down into a pit. Always use the access ladder provided. Before using access ladders, be sure they are secure and free of defects. Make sure your shoes do not have oil or grease on them before climbing ladder.
• Before start of any work, inside shaft area other than car top, switch off the mains.
• If the pit depth is more, use ladder to get inside the lift shaft.
• Stay clear of counterweight.
• Stand at a place where you are free from car and counter weight.
• Switch off the pit switch before start of work inside pit.
• Don’t stand on buffers.
• Do not work if there is water inside the pit.
• Take every precaution to make sure that no part of the body projects into portion of adjoining area.

GENERAL

• Always use proper personnel protective equipment. This includes Helmet, Gloves, safety shoes, full body harness, goggles, dust respirator etc.,
• Always ensure that the working tools are in good condition with properelectrical insulation.
• Always ensure that your work place i.e., control panel area, landing area, car top area are clean and tidy both during and after the work.
• Always use ‘Out of service’ sign board on each and every landing and for every door.
• Don’t get work from anyone else other than the lift men.
• Wherever the work is done keep the other men informed of what you do.
• When cleaning, greasing or oiling any parts that move, the elevator should be made inoperative.
• Secure the elevator from the riding public when performing any adjustments or work. Ensure no one is in the car, close the doors and prevent the doors from operating while working on the elevator.
• Before equipment is placed back in service be sure all out of service boards have been removed. All safeties should be tested to ensure they are operating.